/Engine/Source/Runtime/SlateCore/Public/Types/SlateAttributeMetaData.h
the instance associated to theSWidget(if it exists).
static [FSlateAttributeMetaData](API\Runtime\SlateCore\Types\FSlateAttributeMetaData) * FindMetaData ( const [SWidget](API\Runtime\SlateCore\Widgets\SWidget) & OwningWidget )